Unit Economics Calculator (by business model)
ReasoningWhat one order, subscription, hour, or cover really earns. Switch between D2C, SaaS, services, and restaurant models and watch the gross → contribution → net ladder resolve.
The unit is one order. Physical goods: the contribution waterfall on a single order.Set your numbers and the ladder resolves live — then download a branded Excel where every result is a formula off your inputs. The math the P&L (and QuickBooks) won't break out for you.
CM1 · gross margin
$42.00
70% — price less product cost
CM2 · contribution
$22.02
37% — after fulfilment
CM3 · after CAC
-$5.98
first order underwater — wins on repeat
Best filled in on a bigger screen
This calculator has a lot of inputs — open it on a laptop or desktop to work through them comfortably. You can still switch presets above, read the ladder, and download the Excel below.
Break-even CAC
$22.02
the most you can pay and still clear CM2
CAC payback
1.3 orders
orders of contribution to earn CAC back
Want the full walk-through? Read the series: D2C, SaaS, services, restaurants, and contractors.
Want this on your real numbers? Wauvel builds it straight from your QuickBooks.
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